CN113415264A - Rail vehicle braking system and monitoring method thereof - Google Patents
Rail vehicle braking system and monitoring method thereof Download PDFInfo
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- CN113415264A CN113415264A CN202110873546.8A CN202110873546A CN113415264A CN 113415264 A CN113415264 A CN 113415264A CN 202110873546 A CN202110873546 A CN 202110873546A CN 113415264 A CN113415264 A CN 113415264A
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- braking device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention provides a rail vehicle braking system and a monitoring method of the rail vehicle braking system, wherein the rail vehicle braking system comprises a plurality of braking units and a signal system, each braking unit comprises a master braking device and a plurality of slave braking devices, the master braking devices can monitor and count the total number of faults which cannot be braked in all the master braking devices and the slave braking devices, if the total number of faults is not less than a first preset number, fault signals are sent to the signal system, and the signal system can control each braking unit to brake emergently. By adopting the structure, when the main control brake device detects that the total fault quantity is not less than the first preset quantity, the main control brake device sends fault signals to the signal system, and the signal system can control each brake unit to perform emergency braking, so that the rail vehicle can be stopped emergently, and the rail vehicle is prevented from generating safety accidents.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a railway vehicle braking system and a monitoring method of the railway vehicle braking system.
Background
The unmanned railway vehicle is the main research direction of the current railway vehicle development, and the acceleration, the deceleration and the parking of the unmanned railway vehicle are controlled by a signal system.
Deceleration and parking of the unmanned railway vehicle are generally carried out by controlling a plurality of braking devices through a signal system, and if one or more braking devices are in fault, the deceleration function of the railway vehicle is damaged, the railway vehicle can not meet the deceleration requirement sent by the signal system, the braking deceleration and the braking distance are inconsistent with the expected calculated deceleration, and finally the railway vehicle marks off, even safety accidents occur.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a rail vehicle braking system capable of monitoring whether a brake device has a fault in real time.
Disclosure of Invention
The invention aims to provide a railway vehicle braking system which can monitor whether a braking device has a fault or not in real time.
In order to solve the technical problems, the invention provides a rail vehicle braking system which comprises a plurality of braking units and a signal system, wherein each braking unit comprises a master control braking device and a plurality of slave braking devices, the master control braking device can monitor and count the total number of faults which cannot be braked in all the master control braking devices and the slave braking devices, if the total number of faults is not less than a first preset number, fault signals are sent to the signal system, and the signal system can control each braking unit to brake emergently.
By adopting the structure, when the main control brake device detects that the total fault quantity is not less than the first preset quantity, the main control brake device sends fault signals to the signal system, and the signal system can control each brake unit to perform emergency braking, so that the rail vehicle can be stopped emergently, and the rail vehicle is prevented from generating safety accidents.
Optionally, the master control braking device may be electrically connected to each of the slave braking devices in the braking unit through a unit control line, and detect and count the number of unit faults that cannot be braked in the master control braking device and all the slave braking devices in the braking unit.
Optionally, the master control braking device can be electrically connected with the master control braking devices in the other braking units through a master control line, and the unit fault number is mutually sent through the master control line, so as to count the total fault number.
Optionally, each master control braking device is electrically connected to the signal system through a signal line, and is capable of sending a fault signal to the signal system through the signal line.
Optionally, the master control braking device may be electrically connected to each slave braking device in the braking unit via a unit control line, the signal line is connected between any slave braking device in the braking unit where the master control braking device is located and the signal system, and the master control braking device may control the slave braking device connected to the signal line via the unit control line to send a fault signal to the signal system.
Optionally, the signal system is electrically connected to each master brake device and each slave brake device through a brake control line, and can send brake signals to each master brake device and each slave brake device through the brake control line, so that the railway vehicle performs emergency braking.
The invention also provides a monitoring method of the rail vehicle braking system, which is based on the rail vehicle braking system and comprises the following specific steps: when the rail vehicle runs, each master control braking device continuously monitors the running states of all the master control braking devices and all the slave braking devices, if a fault braking device which cannot brake exists in the master control braking devices and the slave braking devices, the total fault number of the fault master control braking devices and the fault slave braking devices is counted and is compared with a first preset number, if the total fault number is not smaller than the first preset number, fault signals are sent to a signal system, and the signal system controls each braking unit to perform emergency braking after receiving the fault signals.
Optionally, when the rail vehicle runs, each master control braking device continuously detects the running states of the master control braking device and the slave braking device in the brake unit through the unit control line, if a fault braking device which can not brake exists in the master control braking device, counting the unit fault number of the master control braking device and the slave braking device which have faults in the braking unit, sending and receiving the unit fault number by each master control braking device through a master control line, and respectively counting the total fault quantity, finally comparing the counted total fault quantity with a first preset quantity by each main control braking device, if the total fault quantity is not less than the first preset quantity, and sending a fault signal to a signal system, and controlling each braking unit to perform emergency braking after the signal system receives the fault signal.
Optionally, when the master control line is unexpectedly disconnected, each master control braking device can only continuously detect the operating states of the master control braking device and the slave braking device in the braking unit through the unit control line, and count the unit fault number of the master control braking device and the slave braking device which have faults in the braking unit; and each master control braking device respectively compares the unit fault quantity with a second preset quantity, if the unit fault quantity is not less than the second preset quantity, a fault signal is sent to a signal system, and the signal system receives the fault signal and then controls each braking unit to perform emergency braking.
Drawings
FIG. 1 is a schematic illustration of a railway vehicle braking system provided by an embodiment of the present invention.
The reference numerals in fig. 1 are explained as follows:
the brake system comprises a brake unit 1, a master control brake device 11, a slave brake device 12, a signal system 2, a master control line 3, a unit control line 4, a signal line 5 and a brake control line 6.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic view of a rail vehicle braking system according to an embodiment of the present invention.
The invention provides a railway vehicle braking system which comprises a plurality of braking units 1 and a signal system 2, wherein each braking unit 1 comprises a main control braking device 11 and a plurality of slave braking devices 12, which can control a railway vehicle to brake, the main control braking device 11 can monitor and count the total number of faults which can not brake in all the main control braking devices 11 and the slave braking devices 12, if the total number of faults is not less than a first preset number, a fault signal is sent to the signal system 2, and the signal system 2 can control each braking unit 1 to brake emergently.
By adopting the structure, when the main control brake device 11 detects that the total number of faults is not less than the first preset number, the main control brake device sends fault signals to the signal system 2, and the signal system 2 can control each brake unit 1 to perform emergency braking, so that the rail vehicle stops emergently and safety accidents of the rail vehicle are prevented.
The first preset number refers to the maximum number of the master control braking devices 11 and the slave braking devices 12 which are allowed to be incapable of braking by the rail vehicle under the condition that the rail vehicle performs emergency braking deceleration under the most adverse condition and all the master control braking devices 11 and the slave braking devices 12 which have normal functions play roles, namely when the rail vehicle has the master control braking devices 11 and the slave braking devices 12 which are incapable of braking and exceed the first preset number, the rail vehicle cannot meet the emergency braking deceleration requirement under the most adverse condition; in order to further improve the safety of the rail vehicle, when the rail vehicle has the master brake device 11 and the slave brake device 12 which are equal to the first preset number and cannot brake, although the rail vehicle can still perform emergency braking normally, if another master brake device 11 and a slave brake device 12 which cannot brake exist in the rail vehicle, the emergency braking deceleration requirement under the worst condition cannot be met, so that the condition also needs to send a fault signal to the signal system 2, and the rail vehicle is prevented from having a safety accident.
In addition, after receiving the fault signal, the signal system 2 only obtains information that the brake system of the rail vehicle has a fault, and does not need to immediately control each brake unit 1 to perform emergency braking, specifically, when the emergency braking is performed, and also needs to judge the current line section position where the rail vehicle is located and whether the rail vehicle is suitable for emergency stop at present, so as to prevent other safety accidents caused by emergency stop at an incorrect position.
In practical applications, the number of the brake units 1 and the number of the slave brake devices 12 in each brake unit 1 should be set according to specific parameters such as the number of cars of the railway vehicle, and the invention is not limited thereto.
In this embodiment, the master control braking device 11 can be electrically connected to each slave braking device 12 in the braking unit 1 through the unit control line 4, and detect and count the number of unit faults that cannot be braked in the master control braking device 11 and all the slave braking devices 12 in the braking unit 1.
Specifically, as shown in fig. 1, the unit control line 4 is connected to the master control braking device 11 and all the slave braking devices 12 in the same braking unit 1, so that the master control braking device 11 can monitor the operating states of the master control braking device 11 and all the slave braking devices 12 in the braking unit 1, determine whether the master control braking device 11 and all the slave braking devices 12 have a failure that cannot be braked, and finally count the number of unit failures of the braking unit 1.
In this embodiment, the master control braking device 11 can be electrically connected to the master control braking devices 11 in other braking units 1 through the master control line 3, and the unit fault numbers are mutually transmitted through the master control line 3, so as to count the total fault numbers.
The total control line 3 covers all the brake units 1, only the main control brake devices 11 in each brake unit 1 can be connected with the total control line, and each main control brake device 11 sends and constructs the respective unit fault number through the total control line 3, and respectively and independently counts and calculates the total fault number.
In this embodiment, each master control braking device 11 is electrically connected to the signal system 2 through the signal line 5, and can send a fault signal to the signal system 2 through the signal line 5.
When each master control braking device 11 detects that the total number of faults is not less than the first preset number, a fault signal can be sent to the signal system 2 through the signal line 5, so that the signal system 2 controls each braking unit 1 to perform emergency braking on the rail vehicle. It should be noted that the statistics, calculation and detection of each master control brake device 11 are independent, and as long as any one of the master control brake devices 11 sends out a fault signal to the signal system 2, the signal system 2 can respond to the fault signal to make the rail vehicle perform emergency braking.
In this embodiment, the signal line 5 is connected between any slave brake device 12 in the brake unit 1 in which the master brake device 11 is located and the signal system 2, and the master brake device 11 can indirectly send a fault signal to the signal system 2 by controlling the slave brake device 12 connected with the signal line 5 through the unit control line 4.
It can be understood that the signal line 5 may also be directly connected between the master control braking device 11 and the signal system 2, and the specific connection position thereof should be set according to the spare positions of the output interfaces of the master control braking device 11 and the slave braking device 12 in practical application, and the circuit connection condition of the rail vehicle itself, etc., which is not limited in this invention as long as the master control braking device 11 can send a fault signal to the signal system 2.
In addition, each brake unit 1 can also be connected with the signal system 2 through two or more signal lines 5 connected to different master control brake devices 11 and slave brake devices 12, and the master control brake devices 11 can directly or indirectly send fault signals to the signal system 2 through each signal line 5, so that the situation that the signal system 2 cannot receive the fault signals of the connected brake units 1 after one signal line 5 fails is prevented, and the safety of the brake system is further improved.
In this embodiment, the signal system 2 is electrically connected to each master brake device 11 and each slave brake device 12 through the brake control line 6, and can send brake signals to each master brake device 11 and each slave brake device 12 through the brake control line 6, so that the railway vehicle can be braked emergently.
When the signal system 2 receives a fault signal, all the master control braking devices 11 and all the slave braking devices 12 can be controlled through the brake control line 6 to carry out emergency braking, so that the safety accident of the railway vehicle is prevented.
The invention also provides a monitoring method of the rail vehicle braking system, which is based on the rail vehicle braking system and comprises the following specific steps:
when the rail vehicle normally runs, each main control brake device 11 continuously detects the running state of the main control brake device 11 and the slave brake device 12 in the brake unit 1 through the unit control line 4, if a fault brake device which can not brake exists in the brake unit, the unit fault number of the main control brake device 11 and the slave brake device 12 which have faults in the brake unit 1 is counted, each main control brake device 11 mutually sends and receives the unit fault number through the total control line 3, the total fault number is respectively counted, finally, each main control brake device 11 compares the counted total fault number with a first preset number, if the total fault number is not less than the first preset number, a fault signal is sent to the signal system 2 through the signal line 5, and the signal system 2 controls each brake unit 1 to perform emergency braking through the brake control line 6 after receiving the fault signal, to prevent a safety accident of the rail vehicle.
When the railway vehicle is in accident to cause the disconnection of the main control line 3, each main control braking device 11 can only continuously detect the running states of the main control braking device 11 and the slave braking device 12 in the braking unit 1 through the unit control line 4, and count the unit fault number of the main control braking device 11 and the slave braking device 12 which have faults in the braking unit 1; each master control braking device 11 respectively compares the unit fault quantity with a second preset quantity, if the unit fault quantity is not less than the second preset quantity, a fault signal is sent to the signal system 2 through the signal line 5, and after the signal system 2 receives the fault signal, each braking unit 1 is controlled to carry out emergency braking through the braking control line 6, so that safety accidents of the rail vehicle are prevented.
It should be noted that, when the total control line 3 is disconnected due to an accident of the rail vehicle, since the master control braking device 11 cannot send or receive signals to or from the master control braking devices 11 in other braking units 1, the number of unit faults of other braking units 1 cannot be determined, in this case, the first preset number described above is divided by the number of braking units 1, which is the second preset number. Of course, if the second predetermined number is calculated as a decimal number, the decimal number is rounded down to the nearest integer, so as to further improve the security.
For example, if the rail vehicle includes two brake units 1, when the first preset number is four, the second preset number is calculated to be two, and rounding down is not needed, that is, as long as the master control brake device 11 detects that the number of unit failures of the brake unit 1 is not less than two, the total number of failures is not less than four, and therefore a failure signal needs to be sent to the signal system 2, so that the rail vehicle is braked urgently.
If the rail vehicle comprises three brake units 1, when the first preset number is seven, the second preset number is calculated to be a decimal number, and the decimal number is rounded down to be two, namely, as long as the main control brake device 11 detects that the unit fault number of the brake unit 1 is not less than two, the total fault number is close to or not less than seven, and in order to ensure the safety of the rail vehicle, a fault signal needs to be sent to the signal system 2 at the moment to enable the rail vehicle to perform emergency braking.
In this embodiment, the second preset number is 1, that is, when the main control line 3 is disconnected due to an accident of the rail vehicle, as long as the master control braking device 11 monitors that a fault braking device exists in the braking unit 1, a fault signal is directly sent to the signal system 2 through the signal line 5, so that the rail vehicle is braked emergently.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (9)
1. A rail vehicle braking system characterized by: including a plurality of brake cell (1) and signal system (2), brake cell (1) is including master control arresting gear (11) and a plurality of subordinate brake device (12) that can control rail vehicle and carry out the braking, master control arresting gear (11) can monitor and count totally master control arresting gear (11) with the total quantity of failure of braking in subordinate brake device (12), if total quantity of failure is not less than first predetermined quantity, then to signal system (2) send trouble signal, signal system (2) can control each brake cell (1) carries out emergency braking.
2. The rail vehicle brake system of claim 1, wherein: the master control braking device (11) can be electrically connected with each slave braking device (12) in the braking unit (1) through a unit control line (4), and the number of unit faults which cannot be braked in the master control braking device (11) and all the slave braking devices (12) in the braking unit (1) is detected and counted.
3. The rail vehicle brake system of claim 2, wherein: the master control braking device (11) can be electrically connected with the master control braking devices (11) in other braking units (1) through a master control line (3), and the unit fault number is mutually transmitted through the master control line (3) so as to count the total fault number.
4. A rail vehicle brake system according to any one of claims 1-3, characterized in that: each master control braking device (11) is electrically connected with the signal system (2) through a signal wire (5), and can send a fault signal to the signal system (2) through the signal wire (5).
5. The rail vehicle brake system of claim 4, wherein: master control arresting gear (11) can be through unit control line (4) and place each in braking unit (1) subordinate braking device (12) electrical connection, signal line (5) connect in master control arresting gear (11) place arbitrary in braking unit (1) subordinate braking device (12) with between signal system (2), master control arresting gear (11) can be through unit control line (4) control is connected with signal line (5) subordinate braking device (12), to signal system (2) send fault signal.
6. A rail vehicle brake system according to any one of claims 1-3, characterized in that: the signal system (2) is electrically connected with each master control braking device (11) and each slave braking device (12) through a brake control line (6), and can send brake signals to each master control braking device (11) and each slave braking device (12) through the brake control line (6) to enable the railway vehicle to carry out emergency braking.
7. Method for monitoring a rail vehicle brake system, based on one of claims 1 to 6, characterized in that: the specific method comprises the following steps:
when the rail vehicle runs, each master control braking device (11) continuously monitors the running states of all the master control braking devices (11) and all the slave braking devices (12), if a fault braking device incapable of braking exists, the total fault number of the master control braking device (11) and the slave braking device (12) with faults is counted and is compared with a first preset number, if the total fault number is not smaller than the first preset number, a fault signal is sent to a signal system (2), and the signal system (2) controls each braking unit (1) to perform emergency braking after receiving the fault signal.
8. A method of monitoring a railway vehicle brake system, based on the railway vehicle brake system of claim 3, characterized in that: the specific method comprises the following steps:
when a railway vehicle runs, each main control braking device (11) continuously detects the running state of the main control braking device (11) and the slave braking device (12) in the braking unit (1) through a unit control line (4), if a fault braking device which can not brake exists in the main control braking device, the unit fault number of the main control braking device (11) and the slave braking device (12) which have faults in the braking unit (1) is counted, each main control braking device (11) mutually sends and receives the unit fault number through a total control line (3) and respectively counts the total fault number, finally, each main control braking device (11) compares the counted total fault number with a first preset number, and if the total fault number is not less than the first preset number, a fault signal is sent to a signal system (2), and the signal system (2) controls each braking unit (1) to perform emergency braking after receiving the fault signal.
9. The method of monitoring a rail vehicle brake system according to claim 7, wherein: the specific method comprises the following steps:
when the master control line (3) is disconnected accidentally, each master control braking device (11) can only continuously detect the running states of the master control braking device (11) and the slave braking device (12) in the braking unit (1) through the unit control line (4), and count the unit fault number of the master control braking device (11) and the slave braking device (12) which have faults in the braking unit (1);
and each master control braking device (11) respectively compares the unit fault quantity with a second preset quantity, if the unit fault quantity is not less than the second preset quantity, a fault signal is sent to the signal system (2), and the signal system (2) controls each braking unit (1) to perform emergency braking after receiving the fault signal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110873546.8A CN113415264B (en) | 2021-07-30 | 2021-07-30 | Rail vehicle braking system and monitoring method thereof |
| PCT/CN2021/126308 WO2023005015A1 (en) | 2021-07-30 | 2021-10-26 | Braking system of railway vehicle and method for monitoring braking system of railway vehicle |
| AU2021269281A AU2021269281B2 (en) | 2021-07-30 | 2021-11-15 | Rail vehicle brake system and monitoring method for rail vehicle brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110873546.8A CN113415264B (en) | 2021-07-30 | 2021-07-30 | Rail vehicle braking system and monitoring method thereof |
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| CN113415264A true CN113415264A (en) | 2021-09-21 |
| CN113415264B CN113415264B (en) | 2023-08-18 |
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| CN202110873546.8A Active CN113415264B (en) | 2021-07-30 | 2021-07-30 | Rail vehicle braking system and monitoring method thereof |
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| CN (1) | CN113415264B (en) |
| AU (1) | AU2021269281B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942486A (en) * | 2021-10-22 | 2022-01-18 | 交控科技股份有限公司 | Brake fault processing method and signal system |
| WO2023005015A1 (en) * | 2021-07-30 | 2023-02-02 | 中车长春轨道客车股份有限公司 | Braking system of railway vehicle and method for monitoring braking system of railway vehicle |
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Also Published As
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| CN113415264B (en) | 2023-08-18 |
| AU2021269281A1 (en) | 2023-02-16 |
| AU2021269281B2 (en) | 2023-09-28 |
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